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Finding the Fourth Proportional to 29,642.61, 44,463.92 and 11,881.32

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Solution

The fourth proportional to 29,642.61, 44,463.92 and 11,881.32 is: 17,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.61 : 44,463.92 = 11,881.32 : x
  2. Step 2: Convert to fraction form
    29,642.61/44,463.92 = 11,881.32/x
  3. Step 3: Cross multiply
    29,642.61x = 44,463.92 × 11,881.32
  4. Step 4: Simplify right side
    29,642.61x = 528,290,002.57
  5. Step 5: Solve for x
    x = 528,290,002.57/29,642.61
  6. Step 6: Final answer
    x = 17,821.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.